gebr-kuehn.com
HTML metadata
Technology
- Server
- IONOS
- CMS
- WordPress
Third-party hosts loaded (2)
- gebr-kuehn.homepage.t-online.de×1
- gmpg.org×1
Registration
- Registrar
- Deutsche Telekom AG
- Created
- 2001-12-01
- Expires
- 2026-12-01 194 days left
- Updated
- 2025-11-03
- Name servers
-
- dns01-tld.t-online.de
- dns02-tld.t-online.de
DNS records live
- NS
-
- dns01-tld.t-online.de
- dns02-tld.t-online.de
- MX
-
- 1 gate.gebr-kuehn.com
- 98 smtp-02.tld.t-online.de
- 99 smtp-01.tld.t-online.de
- Verified for
-
- Meta
Email authentication weak
- SPF
-
v=spf1 include:otto-kuehn.com ip4:194.25.134.16/29 ip4:194.25.134.80/29 ip4:80.150.6.137 ip4:80.150.6.143 ip6:2003:2:2:15:80:150:6:143 ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
E7
Expires in 53 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- referrer-policy
- findings
-
- missing Content Security Policy
- missing Permissions Policy
Header values
- referrer-policy
same-origin- x-frame-options
SAMEORIGIN- x-content-type-options
nosniff- strict-transport-security
max-age=31536000; includeSubDomains; preload